Efficacy Analysis of Combining Sintilimab with Neoadjuvant Chemotherapy in Treating Middle and Advanced Rectal Cancer Based on Big Data

Table 5

Spearman correlation analysis.

Variable		Correlative coefficient	Significance
Tumor size	43	-0.331	0.030
CEA (ng/mL)	43	-0.664	<0.001
TNM stage	43	-0.323	0.035
Lymphatic metastasis	43	-0.323	0.035

Note: indicated significant correlation at the 0.05 level (two-sided); indicated a significant correlation at the 0.01 level (two-sided).